The midsegment of triangle abc is lm. what is the length of lm if ac is 26 inches long?

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?